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Limit analysis of arches

1953; Elsevier BV; Volume: 1; Issue: 2 Linguagem: Inglês

10.1016/0022-5096(53)90012-x

1873-4782

E. T. Onat, William Prager,

Composite Structure Analysis and Optimization

In the limit analysis of frames it is usually assumed that the limiting bending moment of a cross section is not significantly reduced by the presence of axial forces. In the limit analysis of flat arches this assumption is not permissible as a rule. In the present paper the basic concepts of limit analysis are extended to members in which axial forces as well as bending moments must be taken into account. Methods of determining the critical load intensity of arches are developed and illustrated by numerical examples.